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Anon25 [30]
3 years ago
13

The diagram below shows the layers of a rock having an ammonite:

Biology
1 answer:
sergiy2304 [10]3 years ago
5 0

Answer:

Fossil Z is younger than Fossil Y.

Explanation:

For any age-related questions in geology, we have to consider the basic principle of stratigraphy. According to which, sediment layers on top harbor younger fossils whereas <u>layers</u> on the <u>bottom</u> have <u>older fossils</u>. In the case given here, Fossil Z is younger because it is in the top layer and Fossil Y is in the middle layer. The other two options are completely wrong because Fossil Y cannot be older than Fossi X and likewise, Fossil Z doesn't exist in multiple periods rather it is present only once.

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